Amitabh Bachchan as Prof. Venkat Subramanium

Ben Kingsley as Perci Trachtenberg

R. Madhavan as Prof. Shantanu Biswas

Shraddha Kapoor as Aparna Khanna

Dhruv Ganesh as Vikram Ashwin Dhar

Raima Sen as Shivani Mukherjee

Mahesh Manjrekar as Dagdu Seth

Saira Mohan as Kasbecca/Kay

Tinnu Anand as Billu

Vaibhav Talwar as Abbas Sheikh

Shakti Kapoor as Prem London (uncredited)

Jackie Shroff as Tony Milano (uncredited)

Ajay Devgn as Sunny (uncredited)

Akkash Basnet as Man 2

Siddharth Kher as

Kavin Dave as

Kaluram Dhobale as

Mariah Gomes as

Pankaj Jha as

Barry John as

A. R. Manikandan as

Mahesh Manjrekar as

Firdaus Mevawala as

Shivansu Sachan as

Ashu Sharma as

Latesh Sharma as

Premchand Singh as

Aanjjan Srivastav as

Shivkumar Subramaniam as

Mita Vashisht as

Ganesh Yadav as